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University of Innsbruck Unit of Environmental Engineering
Integrated planning of rehabilitation strategies for sewers
M. Kleidorfer, M. Möderl, F. Tscheikner-Gratl, M. Hammerer, H. Kinzel and W. Rauch
9th International Conference on Urban Drainage Modelling
University of Innsbruck Unit of Environmental Engineering
“A burst sewer pipe or storm drain probably hollowed out the underground cavity that allowed the chasm to form” National Geographic, June 2010
University of Innsbruck Unit of Environmental Engineering
“A burst sewer pipe or storm drain probably hollowed out the underground cavity that allowed the chasm to form” National Geographic, June 2010
(photo: APA / Schlager)
University of Innsbruck Unit of Environmental Engineering
“A burst sewer pipe or storm drain probably hollowed out the underground cavity that allowed the chasm to form” National Geographic, June 2010
(photo: APA / Schlager)
University of Innsbruck Unit of Environmental Engineering
What we want … • renovate aging infrastructure in the most effective way
University of Innsbruck Unit of Environmental Engineering
What we want … • renovate aging infrastructure in the most effective way • reduce the risk of failures
(photo: Civil Engineering Photos)
University of Innsbruck Unit of Environmental Engineering
What we want … • renovate aging infrastructure in the most effective way • reduce the risk of failures • plan in a prospective way during the service life of new
infrastructure (~ 100 years)
University of Innsbruck Unit of Environmental Engineering
Research project “REHAB” Integrated planning of rehabilitation strategies
for urban infrastructure networks Funded by Austrian Research Promotion Agency Duration: 11/2011 – 12/2013
Partners: • University of Innsbruck • hammerer-system-messtechnik • hydroIT GmbH
Municipalities: • Innsbruck (Austria) • Klagenfurt (Austria) • Herbrechtingen (Germany)
University of Innsbruck Unit of Environmental Engineering
data collection
Innsbruck: 35 % (85 km) inspected
University of Innsbruck Unit of Environmental Engineering
Evaluation (damages, CS)
data collection
best worst
condition states condition states
University of Innsbruck Unit of Environmental Engineering
Evaluation (damages, CS)
data collection
deterioration model
Prediction of condition states – Cohort Survival model
2050
2050
2012
University of Innsbruck Unit of Environmental Engineering
Evaluation (damages, CS)
vulnerability assessment
data collection
deterioration model
Risk = Probability (condition) x consequence (vulnerability)
Condition Vulnerability
Impact of sewer collapse on flooding
University of Innsbruck Unit of Environmental Engineering
Evaluation (damages, CS)
vulnerability assessment
future conditions
data collection
deterioration model
100%
105%
110%
115%
120%
2000 2025 2050
popu
latio
n
year
Population Land-use Climate change
University of Innsbruck Unit of Environmental Engineering
Evaluation (damages, CS)
vulnerability assessment
Hyd
raul
ic
solv
ers
future conditions
rehabilitation strategies
data collection
deterioration model
Reapair Renovate Renewal
University of Innsbruck Unit of Environmental Engineering
Evaluation (damages, CS)
vulnerability assessment
Hyd
raul
ic
solv
ers
future conditions
rehabilitation strategies
data collection
deterioration model
Different pipe networks • Drainage • Water distribution • Gas distribution
Similarities: • Pipe networks • Similar layout • Essential infrastructure • Aging • Need to be adapted
University of Innsbruck Unit of Environmental Engineering
Contact: University of Innsbruck Unit of Environmental Engineering Manfred Kleidorfer Technikerstrasse 13 6020 Innsbruck Austria [email protected] http://umwelttechnik.uibk.ac.at
Thank you for your attention!
